Answer to Question #252807 in General Chemistry for Sege

Question #252807

A is a solution of trioxonitrate (v) acid of no concentration. B is a standard solution of sodium hydroxide containing 4 gram per dm³ of solution. 25cm³ of portion of solution B require an average of 24cm³ of solution A for complete neutralization. State with a reason, a suitable indicator for the titration.


1
Expert's answer
2021-10-18T03:09:19-0400

1) HNO3

2) NaOH

3) HNO3+NaOH=NaNO3+H2O

Signum - phenolphthalein


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